Jaguar XF Electrics, ECU, Warnings & Lights Problems

I have the engine management light on and " reduced performance indication " I was told the car needs DPF regeneration so I did 2 motorway runs of around 60 miles each time but the fault won't clear.

All i hear is a clicking sound when when indicator selected, used to be audio sound

Jaguar XF 2011 - shows warning : water in fuel and now changed to low washer fluid. This is with intermittent flashing of Restricted Performance. The power is restricted when this occurs.Have had the fuel filter changed but made no differen...

all doors and boot opens no problem but drivers door does not always unlock

Battery goes flat after standing for only a few days. New battery fitted but still same. Is something draining it? there's a lot of electrical/electronic stuff on this vehicle that uses battery power but the battery fitted is the correct o...